osfmk/kern/machine.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25
  26 #ifndef _KERN_MACHINE_H_
  27 #define _KERN_MACHINE_H_
  28
  29 #include <cpus.h>
  30 #include <mach/kern_return.h>
  31 #include <mach/processor_info.h>
  32 #include <kern/kern_types.h>
  33
  34 /*
  35  * Machine support declarations.
  36  */
  37
  38 extern thread_t         machine_wake_thread;
  39
  40 extern void             cpu_down(
  41                                         int                     cpu);
  42
  43 extern void             cpu_up(
  44                                         int                     cpu);
  45
  46 extern void             processor_offline(
  47                                         processor_t             processor);
  48
  49 /*
  50  * Must be implemented in machine dependent code.
  51  */
  52
  53 /* Initialize machine dependent ast code */
  54 extern void             init_ast_check(
  55                                         processor_t             processor);
  56
  57 /* Cause check for ast */
  58 extern void             cause_ast_check(
  59                                         processor_t             processor);
  60
  61 extern kern_return_t    cpu_start(
  62                                                 int                     slot_num);
  63
  64 extern kern_return_t    cpu_control(
  65                                                 int                                     slot_num,
  66                                                 processor_info_t        info,
  67                                                 unsigned int            count);
  68
  69 extern thread_t         switch_to_shutdown_context(
  70                                         thread_t                thread,
  71                                         void                    (*doshutdown)(processor_t),
  72                                         processor_t             processor);
  73
  74 extern kern_return_t cpu_signal(                                /* Signal the target CPU */
  75                                         int target,
  76                                         int signal,
  77                                         unsigned int p1,
  78                                         unsigned int p2);
  79
  80 #endif  /* _KERN_MACHINE_H_ */